[lkml]   [2007]   [Mar]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] slab: deal with NULL pointers passed to kmem_cache_free
On Mon, Mar 19, 2007 at 10:08:03AM -0700, Christoph Lameter wrote:
> On Mon, 19 Mar 2007, Pekka J Enberg wrote:
> > This changes kmem_cache_free() to deal with NULL objects passed to it. The
> > current behavior is inconsistent with kfree() so there are callers
> > passing NULL to kmem_cache_free().
> Hmmm.. kmem_cache_free is significantly different. One also needs to
> specify the slab cache.

I think this sort of thing should work:

a = kmalloc(...)
b = kmem_cache_alloc(..)
c = allocate_some_id(...)
if (!a || !b || !c) {
return -ENOMEM;
Mathematics is the supreme nostalgia of our time.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2007-03-19 22:05    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean